In bash (the default shell on Mac), today we wanted to execute a command over each line of some output, separately. We wanted to grep (aka search) for some text in a file, then count the characters in each matching line. For future reference… Perform a command repeatedly, once per line of input: grep “the” …
Read moreRepeating commands in bash: per line, per word, and xargs
This turns out to be a lot harder than watching browser traffic.Forgive the crudity of this post; I’m on a tablet. Gotta get this info out before I forget, because this problem was a sticky one. Couch returned a 400 Bad Request with the error message “invalid json” and I needed to see the json …
Say there’s a program that needs to run on your Mac all the time forever and ever. This post describes how to set that up. The example here sets up the script that runs elasticsearch.* On a Mac, services are controlled by launchd, which is configured using launchctl. This example uses launchctl to set up …